Add missing include. Require C++11 when building with Clang.

graphics/opencv/Makefile

@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.34 2013/02/16 11:22:18 wiz Exp $
+# $NetBSD: Makefile,v 1.35 2013/05/06 14:48:22 joerg Exp $
 
 DISTNAME=	OpenCV-2.4.3
 PKGNAME=	${DISTNAME:S/a$//:tl}
@@ -33,6 +33,11 @@ CHECK_WRKREF_SKIP=	${PREFIX}/lib/libopencv_core.*
 
 .include "options.mk"
 
+.include "../../mk/compiler.mk"
+.if !empty(PKGSRC_COMPILER:Mclang)
+CXXFLAGS+=	-std=c++11
+.endif
+
 .include "../../devel/zlib/buildlink3.mk"
 .include "../../graphics/jasper/buildlink3.mk"
 .include "../../graphics/openexr/buildlink3.mk"

graphics/opencv/distinfo

@@ -1,8 +1,9 @@
-$NetBSD: distinfo,v 1.18 2013/04/29 21:31:11 joerg Exp $
+$NetBSD: distinfo,v 1.19 2013/05/06 14:48:22 joerg Exp $
 
 SHA1 (OpenCV-2.4.3.tar.bz2) = 982be2c3e52dfc3e9d14692c60bc856b2b766be2
 RMD160 (OpenCV-2.4.3.tar.bz2) = b862ddd9e7fefd885d78835660a9f5c9320889c2
 Size (OpenCV-2.4.3.tar.bz2) = 67240491 bytes
+SHA1 (patch-modules_contrib_src_spinimages.cpp) = b3e465700059616be991d597230bc8dc42f15be1
 SHA1 (patch-modules_core_include_opencv2_core_types_c.h) = c056068c01c417dc262f21c00324da7f86c0cd8e
 SHA1 (patch-modules_core_src_system.cpp) = 3b7ac545585a430d28c7077f360357079f127580
 SHA1 (patch-modules_legacy_src_dpstereo.cpp) = da9955fb6cc81054427b69efb97a58160b64f262

graphics/opencv/patches/patch-modules_contrib_src_spinimages.cpp

@@ -0,0 +1,12 @@
+$NetBSD: patch-modules_contrib_src_spinimages.cpp,v 1.1 2013/05/06 14:48:22 joerg Exp $
+
+--- modules/contrib/src/spinimages.cpp.orig	2013-05-05 18:32:00.000000000 +0000
++++ modules/contrib/src/spinimages.cpp
+@@ -46,6 +46,7 @@
+ #include <functional>
+ #include <fstream>
+ #include <limits>
++#include <numeric>
+ #include <set>
+ 
+ using namespace cv;